[SOLVED] Slow transfer speed on Minix U9-H?

[Poida]

@Ray

You could try to installtointernal . . .

Keep in mind that installtointernal is discouraged and not supported by CoreELEC;

Installing to internal NAND/eMMC

Please be aware that if users choose to use the installtointernal script to install CoreELEC to the internal partitions of their devices then no support or assistance will be offered by any CoreELEC developer for any issues that you may have or that may arise in the future. You may receive assistance via the community but you WILL NOT receive any official support or assistance. There is 1 exception to this for users with developer boards, ie, LePotato / Odroid C2 / Khadas VIM1/2, support WILL …

a safer, supported compromise is described here;
https://discourse.coreelec.org/t/how-to-boot-from-sd-usb-using-internal-storage-for-data/82/8